It doesn’t get much stranger than this, even in Vegas. Gen. Keith Alexander, director of the National Security Agency, stood in front of a standing-room-only crowd Wednesday, selling the idea of government surveillance programs. His audience? More than 3,000 cybersecurity specialists, including some of ...

White House officials on Wednesday faced deepening political skepticism over a far-reaching counterterrorism program that collects millions of Americans’ phone records, even as they released newly declassified documents in an attempt to spotlight privacy safeguards. The previously secret material — a court order and ...